Stabilizing mechanism for vehicle running-gear.



N W. E. BOCK.

STABILIZING MECHANISM FOR VEHICLE RUNNING GEAR.

I I v APPLICATION FILED JULY 11, I913, fi pl I Patented Ma 4, 1915.

2 SHEETS-SHEET l- WITNESSES "WE NTOR W v VZ/Z'Hz'am Em i1 Bach v WJM ATTOR NE YS v w. E. BOCK. STABILIZING MECHANISM FOR VEHICLE RUNNING GEAR.

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WITNESSES IN VENTOR WiNiam Em 1'1 Bock W w @z/zpw ATTORNEYS FTQQ WILLIAM EMIL EDGE, OF TOLEDO, OHIU.

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Specification of Letters Patent.

Patented May a, 1915.

Application filed July 11, 1913. Serial No. 778,493.

To all whom it may concern Be it known that 1, WILLIAM EMIL Boon, a citizenof the United States of America, residing at Toledo, in the county of Lucas and State of Ohio, have invented certain new and useful Improvements in Stabilizing Mechanism for Vehicle Running-Gear, of which the following is a specification, reference being had therein to the accompanying drawings. r

The invention relates to vehicleszof that type in which the frame is supported upon wheels upon opposite sides thereof, having separate independently-yieldable axles.

his the object of the invention to provide means which, while permitting independent movement of said wheels, nevertheless tends to restore the same to normal position when unequally deflected.

In the drawings: Figure 1 is a plan view of the vehicle to which my improvement is applied; Fig. 2 is a side elevation thereof; Fig. 3 is a diagrammatic perspective view showing in full and dotted lines the position of parts in normal and deflected positions.

A is the vehicle frame, B are the wheels upon'opposite sides of said frame, and C are independently-movable rock arms forming yieldable connections between said wheels and frame. Each of these rock arms is provided with a bell crank arm .D, which is connected to a spring or other resilient member. v

With the arrangement just described the frame will be resiliently supported upon the wheels and will permit of independent vertical movement of the latter, but the construction would be lackin in stability due to the fact that any shi ting of the load would tend to depress one of said yielding members'more than the other, leaving the frame in tilted position. My improved stabilizer comprises a con- IIGCtlOIl between the bell crank arms D by which the load sustained by'one of said arms reacts also u on the other arm'and differentially in di erent positions of adjustment. Thus where the wheels are in axial alinement and the load is centrally disposed u on theframe, the reaction through the stabilizing connection will be equal, but whereoneof the wheels is depressed more than the other or the load is unequally distributed on the frame, this will increase the power of one of the bell crank arms relative to that of the other, so as to tend to restore the parts to normal position.

As shown, my improved stabilizer comprises a pair of links E and E, which are connected at one end to the respective bell crank arms D and extend therefrom to a point of convergence, where they are pivotally attached to each other. They are also connected to a link F which, in normal position of parts, has its axis at equal angles to the two links .E and E and its opposite end anchored to the frame. This link F is preferably a resilient link vformed by the yielding of .the latter but in case of breakage will limit the movement.

With the construction just described, the tension of the spring G will normally react equally upon the links E and E and upon the bellcrank levers D and arms C connected therewith.- This will yieldably support theframe upon thewheels B where the load is uniformly distributed. Should there be agshifting of the centerof gravity which throws a greater load upon one of the arms C, this will cause a movement of the latter and its corresponding bell crank levers D, which in turn will draw upon the links E and E connected therewith with increased power. This willdeflect the link F from its median position so as to be more nearly in alinement with the link E sustaining the increased load, and therefore react with greater power thereupon. At the same time, this deflection of the link F will increase the angle between the same and the opposite link- E, thereby decreasing the power of the reaction upon the latter. It will be understood that the change in leverage just described .will also occur where the load is equally distributed, but where one of the wheels B is raised or depressed more than the other. Therefore, if the vehicle is traveling over-a rough road, the wheels are free to rise and fall independently of each construction of'linkage the vehicle is efiec-' tively stabilized.

What I claim as my invention is: 1 1. In a vehicle, thecombination with the frame, of wheels on op osite sides of said frame independentlyyieldable in relation thereto, a bell crank lever actuated by the depression of each wheel, angling links connected to-said bell crank levers and to each other, and a link connected to said angling links normally in median position to be laterally deflected by anunequal movement of said bell crank lever. I

2. In a vehicle, the combination with the frame, of wheels upon opposite sides of said frame, rock arms upon said frame having their free ends connected to said Wheels, bell crank arms for said rock arms, a link anchored to said frame and extending longitudinally thereof in a central position, and angling links connectedto said longitudinal link and respectively. to said bell crank arms.

3. In a vehicle, the combination with a frame, of wheels arranged upon opposite sides of said frame, rock arms on said frame having their free ends supported upon said wheels, bell crank arms for said rock' arms,

memb

anchor for said resilient to sa1d frame.

for limiting the yielding of said resilient er. v v v i 5. In a vehicle, the combination with a frame, of wheelsupon opposite sides there of, rock arms on said frame havingtheir free ends supported on said wheels, bell crank arms for sa1d rock arms, a resilient link anchored to said frame and extending longitudinally and centrally thereof, angling links connecting the free end of said resilient link to the respective bell crank arms, and a cable connecting opposite ends of said resil-v ient link for limiting the yielding movement thereof.

6. In a vehicle, the combination with a frame, of wheels upon opposite sides of said frame, rockable members for supporting said frameupon said wheels, bell crank arms for; said rockable members, links connected to said bell crank arms extending toa point of convergence, a .member pivotally con, nected to said llnks, a resillent member connected. to said pivotal member, and an member connected 7. In a vehicle, the combination with a frame, of wheels upon opposite sides of said frame independently yieldable in relation thereto, a lever actuated by the depression of each wheel, a yieldable link anchored to said frame and extending longitudinally thereof in central position, and connections between said link and levers, said yieldable link be ing adapted .to be laterally deflected by an unequal movement of said levers.

In testimony whereof I aflix my signature in presence of two witnesses.

WILLIAM EMIL BOCK.

Witnesses:

\ H. L. BooK,

W. E. GBABBs. 

